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Why are birds, mammals, fish, amphibians, and reptiles known as

vertebrates?
O a. They do NOT have a backbone
O They have a backbone
O They can move
There all warmblooded

User Tjadli
by
5.3k points

2 Answers

6 votes
They have a backbone.... B
User Alfred
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5 votes

Answer: B. and C. i think

Step-by-step explanation: